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-rw-r--r--scripts/simplebench/table_templater.py62
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+# Parser for test templates
+#
+# Copyright (c) 2021 Virtuozzo International GmbH.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import itertools
+from lark import Lark
+
+grammar = """
+start: ( text | column_switch | row_switch )+
+
+column_switch: "{" text ["|" text]+ "}"
+row_switch: "[" text ["|" text]+ "]"
+text: /[^|{}\[\]]+/
+"""
+
+parser = Lark(grammar)
+
+class Templater:
+ def __init__(self, template):
+ self.tree = parser.parse(template)
+
+ c_switches = []
+ r_switches = []
+ for x in self.tree.children:
+ if x.data == 'column_switch':
+ c_switches.append([el.children[0].value for el in x.children])
+ elif x.data == 'row_switch':
+ r_switches.append([el.children[0].value for el in x.children])
+
+ self.columns = list(itertools.product(*c_switches))
+ self.rows = list(itertools.product(*r_switches))
+
+ def gen(self, column, row):
+ i = 0
+ j = 0
+ result = []
+
+ for x in self.tree.children:
+ if x.data == 'text':
+ result.append(x.children[0].value)
+ elif x.data == 'column_switch':
+ result.append(column[i])
+ i += 1
+ elif x.data == 'row_switch':
+ result.append(row[j])
+ j += 1
+
+ return ''.join(result)